Hinged-pipe connection



Feb. 3, 1931. N, LUIS] HINGED PIPE CONNECTION Filed Aug. 2. 1929 :Jwuemtoz M'mhLuisi V sealing cup 18 and a lock nut 19, and also ATENT NIGOLA LUISI, OF AUBURN, NEW YORK HINGED-PIPE CONNECTION Application filed August 2, 1929. Serial No. 383,020

This invention relates to revolving pipe justing nut 19 is threaded tightly against connections or joints and an object of the the cap to serve as a lock nut.

invention is to provide sealing and lubri- It will be obvious to those skilled in the eating means for a revolving pipe oint. art that various changes may be made in my A further ob ect 1s to provide a simple and devlce wlthout departing from the spirit of 1 55 eficient connection between a rotating and the invention and I, therefore do not limit non-rotating fluid conduit. myself to what is shown in the drawings and Referring to the accompanying drawing described in the specification, but only as which is made a parthereof and on which set forth in the appended claim.

similar reference characters indicate simi- Having thus fully described my said in- 60 lar parts, vention, what I claim as new and desire to Figure 1 is a longitudinal sectional view e e y te s P tent, s:

f th d i d A rotating pipe joint comprising a casing Figure 2 is an end elevation of the same. v ng & C amber provided therein, one end In the drawings numeral 10 indicates a of t ng havlng an inner annular flange, c casi g havin an i t l fla 11 hi h a pipe sect on having an enlarged head withsefVeg a a ba f th i one d f 1n the casing and having its end extending th casing may b l d b means f a without the chamber, a packmg element sursci'ew-thr aded lu 12, th th d havrounding said plpe, and means for compress ing an opening 13 therethrough in which is g the pa g e ent to provide a fluid 7 revolvingly fitted a pipe 14 having a seal between the chamber 1n the casing, and larged head 15 which seats against the inner the rotatlng element, the said compressing side of the end 16 of the casing 10. Pipe 14 means comprlsing a cup secured upon to 1'0- 1 f bl th d d t 17 t receive a tat-e wlth the pipe and fitting over the end of the casing, serving to retain a lubricant 71 may h it Outer d th d d t 25, B between the moving surfaces, substantially tween the cup 18 and end of the casing 10 as set forth 7 is a packing element 20. The flange portion 111 Wltness w re f, I have hereunto set of the cnplike member may be provided with y hand at Auburn, New York, thls 15th a plurality of oiling cups 21. These may b day of uly, A. D. nineteen hundreo and so such cups as are adapted to receive any kind yof cup greasing tools, as for example, ale- NICOLA LUISI. mite grease guns. A ring groove 22 is cut in the end of thecasing 10 to provide a channel for holding lubricant and to serve V for distributing lubricant around the contacting surfaces between the casing 10 and the cup 18. The casing 10 is provided with a bore 23 to which may be attached a pipe 24: for directing fluid into the casing 10 or I for conducting it away from the chamber.

In assembling the joint the cap 12 is removed and the pipe 14 is inserted from the left into the casing and the cup-like nut 18 is then screwed upon the pipe to provide sealing contact between the rotating elements 14, 18 and 19 and the stationary packing element 20 and the casing 10. V7 hen the packing element has been compressed suf- V ficiently to prevent leakage of fluid an ad- W 

